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Finding the Fourth Proportional to 303.68, 453.04 and 295.31

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Solution

The fourth proportional to 303.68, 453.04 and 295.31 is: 440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.68 : 453.04 = 295.31 : x
  2. Step 2: Convert to fraction form
    303.68/453.04 = 295.31/x
  3. Step 3: Cross multiply
    303.68x = 453.04 × 295.31
  4. Step 4: Simplify right side
    303.68x = 133,787.24
  5. Step 5: Solve for x
    x = 133,787.24/303.68
  6. Step 6: Final answer
    x = 440.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.